Home / 49,729.14-68,634.54-31,823.28

Finding the Fourth Proportional to 49,729.14, 68,634.54 and 31,823.28

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Solution

The fourth proportional to 49,729.14, 68,634.54 and 31,823.28 is: 43,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,729.14 : 68,634.54 = 31,823.28 : x
  2. Step 2: Convert to fraction form
    49,729.14/68,634.54 = 31,823.28/x
  3. Step 3: Cross multiply
    49,729.14x = 68,634.54 × 31,823.28
  4. Step 4: Simplify right side
    49,729.14x = 2,184,176,184.09
  5. Step 5: Solve for x
    x = 2,184,176,184.09/49,729.14
  6. Step 6: Final answer
    x = 43,921.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.